US7202788B2 - RFID electronic seal and system using the RFID electronic seal - Google Patents
RFID electronic seal and system using the RFID electronic seal Download PDFInfo
- Publication number
- US7202788B2 US7202788B2 US10/970,258 US97025804A US7202788B2 US 7202788 B2 US7202788 B2 US 7202788B2 US 97025804 A US97025804 A US 97025804A US 7202788 B2 US7202788 B2 US 7202788B2
- Authority
- US
- United States
- Prior art keywords
- head
- strap
- electronic seal
- hole
- tracking system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D63/00—Flexible elongated elements, e.g. straps, for bundling or supporting articles
- B65D63/10—Non-metallic straps, tapes, or bands; Filamentary elements, e.g. strings, threads or wires; Joints between ends thereof
- B65D63/1018—Joints produced by application of integral securing members, e.g. buckles, wedges, tongue and slot, locking head and teeth or the like
- B65D63/1027—Joints produced by application of integral securing members, e.g. buckles, wedges, tongue and slot, locking head and teeth or the like the integral securing member being formed as a female and male locking member, e.g. locking head and locking teeth, or the like
- B65D63/1063—Joints produced by application of integral securing members, e.g. buckles, wedges, tongue and slot, locking head and teeth or the like the integral securing member being formed as a female and male locking member, e.g. locking head and locking teeth, or the like the female locking member being provided with at least one plastic barb
- B65D63/1081—Joints produced by application of integral securing members, e.g. buckles, wedges, tongue and slot, locking head and teeth or the like the integral securing member being formed as a female and male locking member, e.g. locking head and locking teeth, or the like the female locking member being provided with at least one plastic barb with barbs situated on opposite sides of, or concentrically in, the female locking member
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07798—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card part of the antenna or the integrated circuit being adapted for rupturing or breaking, e.g. record carriers functioning as sealing devices for detecting not-authenticated opening of containers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/03—Forms or constructions of security seals
- G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
- G09F3/0329—Forms or constructions of security seals characterised by the type of seal used having electronic sealing means
- G09F3/0335—Forms or constructions of security seals characterised by the type of seal used having electronic sealing means using RFID tags
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/03—Forms or constructions of security seals
- G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
- G09F3/037—Forms or constructions of security seals characterised by the type of seal used having tie-wrap sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2203/00—Decoration means, markings, information elements, contents indicators
- B65D2203/10—Transponders
Definitions
- An objective of the present invention is to provide a low-cost and reliable RFID electronic seal that provides evidence once broken by an unauthorized person.
- the second engaging member of the strap includes a plurality of teeth in a face of the strap.
- the first engaging member includes a tongue extending from a wall delimiting the through-hole.
- the tongue includes a plurality of teeth in a side of the tongue that faces away from the wall from which the tongue extends.
- At least one of another two mutually facing walls delimiting the through-hole of the head includes a recess or protrusion to form said at least one positioning groove.
- the strap includes a first end extending from the first side of the head and a second end.
- the strap includes a second engaging member.
- a tag is embedded in the head.
- An antenna is embedded in the head and the strap and extends from the tag through the first end of the strap to the second end of the strap.
- FIG. 5 is a sectional view illustrating use of the RFID electronic seal in FIG. 1 .
- FIG. 6 is a view similar to FIG. 3 , showing a tightening state of the RFID electronic seal.
- the connector 4 on the end of the RFID electronic seal 1 couples with a coupler 8 that is electrically connected via a wire 9 to a reader 17 in a cab 16 of the cargo truck, allowing transmission of data from the tag 7 to the reader 17 .
- the wire 9 extends along an underside of the cargo truck to avoid damage.
- the reader 17 is electrically connected to a transmitter 18 that transmits information containing the data received from the tag 7 via the wire 9 as well as position and details of the cargo truck to a monitoring station 19 (of a customer or the cargo owner) and/or a client-end monitor 19 a .
- the information may be directly transmitted from the transmitter 8 to the client-end monitor 19 a .
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Burglar Alarm Systems (AREA)
Abstract
An RFID electronic seal includes a head and a strap. A through-hole extends from a first side through a second side of the head. The strap includes an end extending from the first side of the head. A tag is embedded in the head or the strap. A signal-transmitting line is embedded in at least one of the head and the strap and extends from the tag. The strap is extendable through the through-hole of the head along a tightening direction, forming a tightening space, with an engaging member on the strap engaging with another engaging member on the head to prevent the strap from moving in an unfastening direction. The electronic seal can be used in a tracking system that allows a cargo or goods owner to notice breakage of the electronic seal in real time.
Description
1. Field of the Invention
The present invention relates to an electronic seal. In particular, the present invention relates to an RFID electronic seal. The present invention also relates to a system using the RFID electronic seal for tracking cargo.
2. Description of the Related Art
To fulfill the demand of logistics, the goods after being manufactured are put into the supply chain. The most important information to both the supplier and the customer is the location of the goods in the supply chain management. Current cargo tracking systems use an IC (integrated circuit) card and GPS (global positioning system) or mobile phone system to monitor the location of the cargo truck, providing the cargo owner with the information of the number of the license plate of the cargo truck, the code number of the cargo container, the current location of the cargo truck, etc. It is, however, impossible to know whether the cargo container is opened and/or the cargo in the cargo container is stolen or switched, or to prevent such events.
RFID (radio frequency identification) electronic seals are proposed to solve the above problems. A typical electronic seal has a structure similar to a combination lock to seal the rear door of a cargo truck, allowing the owner of the cargo to acquire the required information. The owner will notice in real time after unauthorized breakage of the RFID electronic seal. An active type electronic seal (e.g., SaviTag 654 manufactured by Savi Technology Inc. of California) comprises a battery unit for transmitting signals through antennae. The transmitting distance of the active type electronic seal is about 50 meters, which is much longer than that of a passive type. However, the cost of the active type electronic seal is relatively high. Further, to provide real-time monitoring, the active type electronic seal is mounted to the rear door of a cargo truck that has a cab in which a reader is mounted, with the reader being connected to GPS or a mobile phone system. Transmission of the signals from the rear of the cargo container to the reader in the cab is interfered by the cargo container made of metal. A solution to this problem is to install readers along the route along which the cargo truck moves, resulting in a considerable expenditure. A passive type RFID electronic seal, though cheaper, has a small transmission distance and also fails to overcome the interference from the metal cargo container when used on a cargo truck.
An objective of the present invention is to provide a low-cost and reliable RFID electronic seal that provides evidence once broken by an unauthorized person.
Another objective of the present invention is to provide a reliable RFID electronic seal for sealing a cargo container or for tightening other goods.
A further objective of the present invention is to provide a reliable tracking system using an RFID electronic seal so that the owner of a cargo or goods can be aware of the position of the cargo or goods carrier and status of the cargo or goods as well as breakage of the RIFD electronic seal in real time.
In accordance with an aspect of the invention, an RFID electronic seal comprises a head and a strap. The head includes a first side and a second side facing away from the first side. A through-hole extends from the first side through the second side of the head. The head further includes a first engaging member.
The strap includes a first end extending from the first side of the head and a second end. The strap includes a second engaging member. A tag is embedded in one of the head and the strap. An antenna is embedded in at least one of the tag and the strap and extends from the tag.
The strap is extendable through the through-hole of the head along a tightening direction, forming a tightening space, with the first engaging member engaging with the second engaging member to prevent the strap from moving in an unfastening direction reverse to the tightening direction.
In an embodiment of the invention, the tag is embedded in the head. The antenna extends from the tag through the first end of the strap to the second end of the strap.
In another embodiment of the invention, the tag is embedded in the strap and adjacent to the second end of the strap.
In an embodiment of the invention, the second engaging member of the strap includes a plurality of teeth in a face of the strap. The first engaging member includes a tongue extending from a wall delimiting the through-hole. The tongue includes a plurality of teeth in a side of the tongue that faces away from the wall from which the tongue extends.
The strap may further include at least one positioning member on at least one of two lateral sides of the strap. At least one of another two mutually facing walls delimiting the through-hole of the head may include at least one positioning groove. The positioning member is positioned in one of the positioning groove and the second side of the head.
In an embodiment of the invention, at least one of another two mutually facing walls delimiting the through-hole of the head includes a recess or protrusion to form said at least one positioning groove.
The positioning member includes an arcuate face to allow smooth movement of the strap along the tightening direction and to prevent the strap from moving along the unfastening direction.
Preferably, the antenna extends helically in the perimeter wall delimiting the through-hole of the head. The antenna may include a connector coupled to a distal end thereof.
In another embodiment of the invention, the strap includes at least one positioning groove in at least one of two lateral sides of the strap. At least one of two mutually facing walls delimiting the through-hole of the strap includes at least one positioning member for engaging with the positioning groove.
In accordance with another aspect of the invention, a tracking system comprises a carrier for carrying a cargo or goods, an RFID electronic seal for sealing the cargo or tightening the goods, a reader mounted on the carrier and located within an effective transmission range of the antenna of the RFID electronic seal, a monitoring station, and a transmitter electrically connected to the reader for transmitting data from the tag to the monitoring station.
The RFID electronic seal comprises a head and a strap. The head comprises a first side and a second side facing away from the first side. A through-hole extends from the first side through the second side of the head. The head further includes a first engaging member.
The strap includes a first end extending from the first side of the head and a second end. The strap includes a second engaging member. A tag is embedded in the head. An antenna is embedded in the head and the strap and extends from the tag through the first end of the strap to the second end of the strap.
The strap is extendable through the through-hole of the head along a tightening direction, forming a tightening space, with the first engaging member engaging with the second engaging member to prevent the strap from moving in an unfastening direction reverse to the tightening direction.
The antenna transmits data to the reader via wire or wireless transmission. The reader and the transmitter may be incorporated as a single unit. The transmitter is one of a transmitter for global positioning system, a personal digital assistant, and a cellular phone of a mobile phone system. The transmitter may transmit information containing location of the carrier to the monitoring station. The tracking system may further include a client-end monitor connected to at least one of the transmitter and the monitoring station.
Other objectives, advantages, and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
Referring to FIGS. 1 and 2 , an RFID electronic seal 1 of an embodiment of in accordance with the present invention comprises a head 2 and a strap 3 including a first end extending from a first end of the head 2. A protrusion 6 projects from a second end of the head 2 that faces away from the first end of the head 2. A through-hole 20 extends from a first side of the head 2 through a second side of the head 2. A tag (or transponder) 7 is embedded in the protrusion 6.
A signal transmitting line 5 extends from the tag 7 to the first end of the strap 3. Further, the signal-transmitting line 5 extends in the strap 3 along a length of the strap 3 to a second end of the strap 3. In this embodiment, a distal end of the signal-transmitting line 5 is coupled with a coupler or connector 4 at the second end of the strap 3 for connecting with a coupler 8 that is electrically connected via a wire 9 to a reader 17 (FIG. 8 ). In a example, the signal-transmitting line is a signal line. Alternatively, the connector 4 can be omitted, and the signal-transmitting line 5 is an antenna that transmits data to the reader via wireless transmission.
As illustrated in FIGS. 1 , 3, and 4, the signal-transmitting line 5 extends around the through-hole 20 of the head 2. Preferably, the signal-transmitting line 5 extends helically in a perimeter wall delimiting the through-hole 20 of the head 2, which will be further described later. The strap 3, the head 2, and the protrusion 6 are preferably integrally formed of plastic materials by injection molding to cut the cost. Nevertheless, the strap 3, the head 2, and the protrusion 6 can be formed by other suitable methods.
The strap 3 includes an engaging member, e.g., a plurality of teeth 32 (preferably ratchet teeth) formed on a face of the strap 3. Further, the strap 3 includes at least one positioning member 31 on at least one of two lateral sides of the strap 3. In this embodiment, a positioning member 31 is formed on each lateral side of the strap 3.
Referring to FIG. 4 , the head 2 also includes an engaging member for engaging with the engaging member of the strap 3. In this embodiment, a resilient tongue 22 extends from a wall delimiting the through-hole 20 of the head 2. A plurality of teeth 23 (preferably ratchet teeth) are formed on a side of the tongue 22 facing away from the wall from which the tongue 22 extends. Further, at least one positioning groove 21 is defined in at least one of another two mutually facing walls delimiting the through-hole 20 of the head 2. In this embodiment, two positioning grooves 21 (in the form of recesses) are defined in each of the mutually facing walls delimiting the through-hole 20 of the head 2, as illustrated in FIG. 3 .
The positioning members 31 of the strap 3 and the positioning grooves 21 of the head 2 provide an additional tightening effect. As illustrated in FIG. 6 , when the strap 3 is passed through the through-hole 20 of the head 20 along a tightening direction indicated by the arrow, the positioning members 31 pass from the first side of the head 2 through the positioning grooves 21 to the second side of the head 2. Each positioning member 31 includes an arcuate face 35 that allows smooth movement of the positioning member 31 from the first side of the head 2 to the second side of the head 2 and prevents movement of the positioning member 31 in the reverse (unfastening) direction. Thus, an attempt to move the strap 3 in a direction reverse to the arrow-indicated direction is impossible. Even if the positioning members 31 of the strap 3 are forcibly inserted into the head 2 along the reverse direction and, thus, engaged with a pair of the positioning grooves 21, an attempt of forcibly moving the positioning members 31 into another pair of positioning grooves 21 of the head 2 adjacent to the first side of the head 2 is impossible, even with tools. Thus, untying of the goods cannot be achieved without breakage of the RFID electronic seal 1. However, the owner of the goods will definitely be aware of such breakage. It is noted that when the positioning members 31 are engaged with the positioning grooves 21 of the head 2, the function of the RFID electronic seal 1 is not adversely affected as long as the RFID electronic seal 1 is in a tightened state. Further, as illustrated in FIG. 13 , the number of the positioning members 31 can be increased for tightening goods of different sizes.
As illustrated in FIGS. 7 and 8 , the connector 4 on the end of the RFID electronic seal 1 couples with a coupler 8 that is electrically connected via a wire 9 to a reader 17 in a cab 16 of the cargo truck, allowing transmission of data from the tag 7 to the reader 17. Preferably, the wire 9 extends along an underside of the cargo truck to avoid damage. The reader 17 is electrically connected to a transmitter 18 that transmits information containing the data received from the tag 7 via the wire 9 as well as position and details of the cargo truck to a monitoring station 19 (of a customer or the cargo owner) and/or a client-end monitor 19 a. Of course, the information may be directly transmitted from the transmitter 8 to the client-end monitor 19 a. Thus, the location of the cargo truck is known in real time. As illustrated in FIG. 9 , since the signal-transmitting line 5 (a signal line in this example) is embedded in an insulating material such as plastics, the signal transmission between the reader 17 and the tag 7 is not adversely affected. Further, the wire connection between the reader 17 and the tag 7 assures reliable signal transmission even if the relative position between the reader 17 and the tag 7 is altered.
In a case that the RFID electronic seal 1 is broken, the signal-transmitting line 5 is broken, too. The reader 17 could not receive signals from the tag 7. Information of this condition is immediately transmitted by the transmitter 18 to the monitoring station 19 and/or the client-end monitor 19 a. Thus, the monitoring station 19 and/or the client end will be informed of unauthorized breakage of the RFID electronic seal 1 in real time and take necessary actions. A reliable cargo tracking system is thus provided. It is noted that the signal-transmitting line 5 will be broken to cause interruption of signal transmission regardless of the means (e.g., severing) to break the RFID electronic seal 1 along any direction. This is because the signal-transmitting line 5 extends helically in the perimeter wall delimiting the through-hole 20 of the head 2. Any attempt to break the head 2 via the perimeter wall delimiting the through-hole 20 for unfastening the RFID electronic seal 1 will inevitably sever the signal-transmitting line 5.
It is noted that the RFID electronic seal 1 can be used with other types of cargo containers.
The transmitter 18 can be a transmitter for GPS (global positioning system), a PDA (personal digital assistant), or a cellular phone of a mobile phone system (such as GSM). Further, the transmitter 18 and the reader 17 can be incorporated as a single unit, if desired.
The connector 4 and the coupler 8 are illustrated for explanation only, not to limit the invention. The connector 4 formed on the second end of the strap 3 can be of any desired type, and the coupler 8 can be of any suitable one for coupling with the connector 4. Further, the coupler 8 and the connector 4 can be omitted, which still allows wireless signal transmission when cases apply.
In a case that the RFID electronic seal 1 is not used for tracking cargo or goods, the signal-transmitting line 5 does not have to extend helically in the perimeter wall delimiting the through-hole 20 of the head 2. This is because the most important thing amongst others for the owner of the cargo or goods is to inspect intactness of the RFID electronic seal 1 after receiving the cargo or goods.
Further, the tag 7 may be embedded in a place other than the protrusion 6. The protrusion 6 can be omitted, and the tag 7 is embedded in the head 2 without adversely affecting the function of the RFID electronic seal 1.
The tongues 22, teeth 23, positioning grooves 21, protrusions 25, and positioning members 26 of the head 2 and the teeth 32, positioning grooves 33 of the strap 3 can be replaced with other equivalent arrangements.
Further, it is noted that the cargo tracking systems is not limited to cargo trucks. The RFID electronic seal 1 in accordance with the present invention can be used with any cargo or goods carrier, such as cargo trucks, motorcycles, cars, airplanes, etc. The cargo or goods sealed and/or tightened by the RFID electronic seal is coupled with a reader via wire or wireless connection, and information containing data of the cargo or goods as well as the location and details of the cargo or goods carrier can be transmitted via a transmitter on the cargo or goods carrier, allowing the owner of the cargo or goods to track the cargo or goods in real time.
Although specific embodiments have been illustrated and described, numerous modifications and variations are still possible without departing from the essence of the invention. The scope of the invention is limited by the accompanying claims.
Claims (23)
1. An electronic seal comprising:
a head comprising a first side and a second side facing away from the first side, a through-hole extending from the first side through the second side of the head, the head including a first engaging member, the head further including a first end and a second end;
a strap including a first end extending from the first end of the head and a second end, the strap including a second engaging member;
a tag embedded in the second end of the head; and
a signal-transmitting line embedded in the tag and the strap and extending from the tag through a perimeter wall delimiting the through-hole of the head and surrounding the through-hole of the head and then extending from the first end of the strap through the second end of the strap;
the strap being extendable through the through-hole of the head along a tightening direction, forming a tightening space, with the first engaging member engaging with the second engaging member to prevent the strap from moving in an unfastening direction reverse to the tightening direction.
2. The electronic seal as claimed in claim 1 , wherein the strap further includes at least one positioning member on at least one of two lateral side of the strap, at least one of another two mutually facing walls delimiting the through-hole of the head including at least one positioning groove, said at least one positioning member being positioned in one of said at least one positioning groove and the second side of the head.
3. The electronic seal as claimed in claim 2 , wherein said at least one of another two mutually facing walls delimiting the through-hole of the head includes a recess to form said at least one positioning groove.
4. The electronic seal as claimed in claim 2 , wherein said at least one of another two mutually facing walls delimiting the through-hole of the head includes a protrusion to form said at least one positioning groove.
5. The electronic seal as claimed in claim 3 , wherein said at least one positioning member includes an arcuate face to allow smooth movement of the strap along the tightening direction and to prevent the strap from moving along the unfastening direction.
6. The electronic seal as claimed in claim 4 , wherein said at least one positioning member includes an arcuate face to allow smooth movement of the strap along the tightening direction and to prevent the strap from moving along the unfastening direction.
7. The electronic seal as claimed in claim 1 , wherein the signal-transmitting line extends helically in the perimeter wall delimiting the through-hole of the head.
8. The electronic seal as claimed in claim 1 , wherein the signal-transmitting line is a signal line having a connector coupled to a distal end thereof.
9. The electronic seal as claimed in claim 1 , wherein the strap includes at least one positioning groove in at least one of two lateral sides of the strap, at least one of two mutually facing walls delimiting the through-hole of the strap including at least one positioning member for engaging with said at least one positioning groove.
10. A tracking system comprising:
a carrier carrying a cargo or goods;
an electronic seal sealing the cargo or tightening the goods, the electronic seal comprising:
a head comprising a first side and a second side facing away from the first side, a through-hole extending from the first side through the second side of the head, the head including a first engaging member, the head further including a first end and a second end;
a strap including a first end extending from the first end of the head and a second end, the strap including a second engaging member;
a tag embedded in the second end of the head; and
a signal-transmitting line embedded in the head and the strap and extending from the tag through a perimeter wall delimiting the through-hole of the head and surrounding the through-hole of the head and then extending from the first end of the strap through the second end of the strap;
the strap being extendable through the through-hole of the head along a tightening direction, forming a tightening space, with the first engaging member engaging with the second engaging member to prevent the strap from moving in an unfastening direction reverse to the tightening direction.
a reader mounted on the carrier;
a monitoring station; and
a transmitter electrically connected to the reader for transmitting data from the tag to the monitoring station.
11. The tracking system as claimed in claim 10 , wherein the signal-transmitting line is an antenna and wherein the reader is located within an effective transmission range of the antenna.
12. The tracking system as claimed in claim 10 , wherein the signal-transmitting line is a signal line connected to the reader via a wire.
13. The tracking system as claimed in claim 10 , wherein the reader and the transmitter are incorporated as a single unit.
14. The tracking system as claimed in claim 10 , wherein the transmitter is one of a transmitter for global positioning system, a personal digital assistant, and a cellar phone of a mobile phone system.
15. The tracking system as claimed in claim 12 , wherein the transmitter transmits information containing location of the carrier to the monitoring station.
16. The tracking system as claimed in claim 11 , wherein the transmitter transmits information containing location of the carrier to the monitoring station.
17. The tracking system as claimed in claim 10 , wherein the tracking system further includes a client-end monitor connected to at least one of the transmitter and the monitoring station.
18. The tracking system as claimed in claim 10 , wherein the signal-transmitting line extends helically in the perimeter wall delimiting the through-hole of the head.
19. A tracking system comprising:
a carrier carrying a metal container, the carrier being located in front of the metal container;
an electronic seal sealing a rear of the metal container, the electronic seal comprising:
a head comprising a first side and a second side facing away from the first side, a trough-hole extending from the first side through the second side of the head, the head including a first engaging member;
a strap including a first end extending from the head and a second end, the strap including a second engaging member;
a tag embedded in the head; and
a signal line embedded in the head and extending from the tag through the first end of the strap to the second end of the strap;
the strap being extendable trough the through-hole of the head along a tightening direction, forming a tightening space, with the first engaging member engaging with the second engaging member to prevent the strap from moving in an unfastening direction reverse to the tightening direction.
a reader mounted on the carrier, the reader being connected by a wire to the signal line of the electronic seal;
a monitoring station; and
a transmitter electrically connected to the reader for transmitting data from the tag to the monitoring station.
20. The tracking system as claimed in claim 19 , wherein the transmitter is one of a transmitter for global positioning system, a personal digital assistant, and a cellar phone of a mobile phone system.
21. The tracking system as claimed in claim 19 , wherein the transmitter transmits information containing location of the carrier to the monitoring station.
22. The tracking system as claimed in claim 19 , wherein the tracking system further includes a client-end monitor connected to at least one of the transmitter and the monitoring station.
23. The tracking system as claimed in claim 19 , wherein the signal line extends helically in the perimeter wall delimiting the through-hole of the head.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/970,258 US7202788B2 (en) | 2004-10-21 | 2004-10-21 | RFID electronic seal and system using the RFID electronic seal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US10/970,258 US7202788B2 (en) | 2004-10-21 | 2004-10-21 | RFID electronic seal and system using the RFID electronic seal |
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US20060087431A1 US20060087431A1 (en) | 2006-04-27 |
US7202788B2 true US7202788B2 (en) | 2007-04-10 |
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US10/970,258 Expired - Fee Related US7202788B2 (en) | 2004-10-21 | 2004-10-21 | RFID electronic seal and system using the RFID electronic seal |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US20070194914A1 (en) * | 2005-11-22 | 2007-08-23 | Gates Tell A | RFID perimeter alarm monitoring system |
US20100084364A1 (en) * | 2006-10-17 | 2010-04-08 | Junkk.Com Limited | Container Closure Comprising a Cable Tie |
US20100283578A1 (en) * | 2007-06-15 | 2010-11-11 | Matthew Henderson | Transponder Bolt Seal and a Housing for a Transponder |
KR100805886B1 (en) | 2007-08-31 | 2008-02-20 | (주)동부기술단 | The sealing device for the terminal cover of the enegy meter and a method of manufacture therdof |
WO2009063471A3 (en) * | 2007-11-16 | 2009-07-30 | Orpak Systems Ltd | System and method for securing fuel supply chain delivery process with a rfid electronic seal |
WO2010112695A1 (en) | 2009-04-03 | 2010-10-07 | Shaktiware | Method and device for sealing two components |
US8593258B2 (en) | 2009-04-29 | 2013-11-26 | National Taiwan University Of Science And Technology | High-tensile belt-type tag and wireless radio frequency identification system employing the same |
US20100277288A1 (en) * | 2009-04-29 | 2010-11-04 | National Taiwan University Of Science And Technology | High-tensile belt-type tag and wireless radio frequency identification system employing the same |
CN103863698A (en) * | 2012-12-10 | 2014-06-18 | 国家电网公司 | Bundling strip |
CN103964068A (en) * | 2013-02-04 | 2014-08-06 | 北京竞业达数码科技有限公司 | Anti-unpacking package |
CN103964068B (en) * | 2013-02-04 | 2017-10-10 | 北京竞业达数码科技有限公司 | Tamper is packed |
US20160060009A1 (en) * | 2014-08-29 | 2016-03-03 | Nxp B.V. | Fastener with embedded identifier circuit |
US9809362B2 (en) * | 2014-08-29 | 2017-11-07 | Nxp B.V. | Fastener with embedded identifier circuit |
US11116192B2 (en) * | 2017-10-04 | 2021-09-14 | Gye S. Nitta | Live bait zip tie |
RU184400U1 (en) * | 2018-06-19 | 2018-10-24 | Акционерное общество "ЦентрИнформ" | ELECTRONIC RADIO FREQUENCY FILLING |
RU184400U9 (en) * | 2018-06-19 | 2018-12-07 | Акционерное общество "ЦентрИнформ" | ELECTRONIC RADIO FREQUENCY SEAL |
US11433581B2 (en) * | 2019-11-08 | 2022-09-06 | Aptiv Technologies Limited | Injection molding a device such as a cable holder with an integrated wireless tagging foil |
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